As a former employee of All American Decal Guy, I can write with conviction that working for Mark and Paulina Hopkins amounted to one of the worst jobs I've ever had. They were dishonest in not only how they treat employees, but also in their dealings with customers. If your money and time are not very important to you, then by all means go waste both by supporting their business.
Pros: If you fork out a bunch of money up front, they may actually do your work relatively quick
Cons: Too many to possibly list in this small space
more